25166450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 50220000

約数和(自身を除く): 25053550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 449, 475, 590, 898, 950, 1121, 1475, 2242, 2245, 2950, 4490, 5605, 8531, 11210, 11225, 17062, 22450, 26491, 28025, 42655, 52982, 56050, 85310, 132455, 213275, 264910, 426550, 503329, 662275, 1006658, 1324550, 2516645, 5033290, 12583225, 25166450]

約数ペア:

[(1, 25166450), (2, 12583225), (5, 5033290), (10, 2516645), (19, 1324550), (25, 1006658), (38, 662275), (50, 503329), (59, 426550), (95, 264910), (118, 213275), (190, 132455), (295, 85310), (449, 56050), (475, 52982), (590, 42655), (898, 28025), (950, 26491), (1121, 22450), (1475, 17062), (2242, 11225), (2245, 11210), (2950, 8531), (4490, 5605)]